If you dreamed of attending a costume party, where everyone was in costume except you, this is a warning against false friends.

To dream that you are wearing a costume, signifies that you are putting on a false face toward others. Your true self is not being revealed and you are not being completely honest with people around you.... My Dream Interpretation

Dreams of Halloween signify that you are embracing and bringing awareness to the different masks you wear and to the social roles you play. This powerful dream is about embracing your shadow, the aspects of yourself which are the most difficult to love because your subconscious mind recognizes the value in fusing, unifying and integrating all aspects of yourself. Consider the feeling tone. See Mask, Shadow, Ghost and Integration Dreams.... Strangest Dream Explanations

A dream of Halloween represents the temporary adoption of a new persona, where you feel less inhibited and more comfortable to freely express yourself. Also see “Candy” and “Halloween Party”... My Dream Interpretation

If you dreamed of attending a Halloween party where everyone was in costume except you, this is a warning against false friends.

To dream that you wore a costume to the party signifies that you are putting on a false face toward others. Your true self is not being revealed and you are not being completely honest with people around you.... My Dream Interpretation

Example: Then I was in a place where we were having a staff party. Not very big but people were sitting at tables eating in a party mood. I sat with my child, maybe youngest son, no one else at the table. I felt I didn’t wish to get involved with the others, the feeling I often get at parties, just alone in a crowd. I left with my son. Some young men tried to dissuade us but I pushed away’ (Simeon T). Simeon finds groups of people difficult to relate to.

The dream shows this is a feeling which started in his childhood—his youngest son. Generally, our feelings about groups; social skill or lack of it; social pleasure. Dreamer as host of party: our relation­ship with the different aspects of self. Dreamer as main guest, say at a birthday party: wanting family or social acclaim and love, or feeling loved. ... A Guide to Dreams and Sleep Experiences

Pleasure after work is completed, social exchange, and communication. Well-being, fun, and joy in the dream, as in life, always mean to search for or to have found your center. Your personal characteristics are getting stimulated and recognized, and that is the meaning of “party,” too.

1- When we find we are attending a party in a dream, we arc often alerted to our social skills or lack of such skills. In waking life we may be shy and dislike such gatherings, but in dreams if we arc coping with the groups involved, we have a greater awareness of our own belonging, ‘lb belong to a political party would indicate that we are prepared to stand up for our beliefs, that we have made a commitment to a particular way of life.

2- The human being often has need of celebration in his or her life.

To be attending a party in a dream can indicate our need for celebration, for joining with other people to create a potentially happy atmosphere.

3- When a group celebrates a belief, which can be spiritual, it is an occasion for a party or festival.... Ten Thousand Dream Dictionary

Dreams of a party represent your feelings and attitudes toward groups and/or family gatherings, your public persona, and your people/social skills. This dream might symbolize that you are walking through a rite of passage. Whether the party is joyous or uncomfortable, it reflects your level of -integration, your relationships and the level of harmony in your life. See Celebration and Integration Dreams.... Strangest Dream Explanations

Psychological / emotional perspective: The human being often has need of celebration in his or her life.

To be attending a party such as a dinner party or other specific purpose in a dream can indicate our need for celebration, for joining with other people to create a potentially happy atmosphere.... Dream Meanings of Versatile

Material aspects: When we find we are attending a party in a dream, we are often alerted to our social skills – or lack of them. In waking life we may be shy and dislike such gatherings, but in dreams if we are coping with the groups involved, we have a greater awareness of our own ability to belong and to take enjoyment from that.

To belong to a political party would indicate that we are prepared to stand up for our beliefs, that we have made a commitment to a particular way of life.... Dream Meanings of Versatile

To dream that you are at a party suggests you need to get out more and enjoy yourself.

If the party is bad, then it indicates you are unsure of your social skills.

If you dream of being the host/hostess of a party, this symbolizes your generosity and kindness toward others. You are capable of doing things for people without expecting anything in return.... My Dream Interpretation